AP Physics 2hardmcq1 pt
A step-up transformer increases voltage by
A.having more secondary than primary turns
B.having more primary turns
C.using thicker wire
D.spinning faster
Explanation
Core Concept
Vₛ/Vₚ = Nₛ/Nₚ — more secondary turns step voltage up.
Correct Answer
Ahaving more secondary than primary turns
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